$OpenBSD: patch-libreofficekit_Executable_gtktiledviewer_mk,v 1.2 2015/09/29 16:10:48 robert Exp $
--- libreofficekit/Executable_gtktiledviewer.mk.orig.port	Thu Sep 17 15:33:12 2015
+++ libreofficekit/Executable_gtktiledviewer.mk	Sun Sep 27 12:18:17 2015
@@ -31,10 +31,10 @@ $(eval $(call gb_Executable_add_libs,gtktiledviewer,\
     -lICE \
 ))
 
-ifeq ($(OS),LINUX)
+ifneq (,$(filter LINUX OPENBSD,$(OS)))
 $(eval $(call gb_Executable_add_libs,gtktiledviewer,\
     -lm \
-    -ldl \
+	$(if $(filter LINUX,$(OS)),-ldl) \
     -lpthread \
 ))
 endif
